PopUpMediaStoreFragment.java

package com.garethevans.church.opensongtablet;

import android.app.DialogFragment;
import android.database.Cursor;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v4.content.CursorLoader;
import android.support.v4.widget.CursorAdapter;
import android.support.v4.widget.SimpleCursorAdapter;
import android.support.v7.widget.SwitchCompat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.CompoundButton;
import android.widget.ImageButton;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;

import java.io.IOException;

public class PopUpMediaStoreFragment extends DialogFragment {

    ListView mediaStore_ListView;
    static ImageButton startPlay;
    //Switch externalSwitch;
    SwitchCompat externalSwitch;
    TextView mediaSelected;
    MediaPlayer mp;

    String[] from;
    int[] to;

    static PopUpMediaStoreFragment newInstance() {
        PopUpMediaStoreFragment frag;
        frag = new PopUpMediaStoreFragment();
        return frag;
    }

    Uri sourceUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        getDialog().setTitle(getActivity().getResources().getString(R.string.media_chooser));
        View V = inflater.inflate(R.layout.popup_mediastore, container, false);

        from = new String[] {MediaStore.MediaColumns.TITLE};
        to = new int[] {android.R.id.text1};

        mp = new MediaPlayer();

        mediaStore_ListView = (ListView) V.findViewById(R.id.mediaStore_ListView);
        mediaSelected = (TextView) V.findViewById(R.id.mediaSelected);
        mediaSelected.setText(PresenterMode.mpTitle);
        //externalSwitch = (Switch) V.findViewById(R.id.externalSwitch);
        externalSwitch = (SwitchCompat) V.findViewById(R.id.externalSwitch);
        if (FullscreenActivity.mediaStore.equals("ext")) {
            externalSwitch.setChecked(true);
        } else {
            externalSwitch.setChecked(false);
        }
        externalSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                if (isChecked) {
                    FullscreenActivity.mediaStore = "ext";
                } else {
                    FullscreenActivity.mediaStore = "int";
                }
                Preferences.savePreferences();
                updateMedia();
            }
        });
        startPlay = (ImageButton) V.findViewById(R.id.startPlay);
        startPlay.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startPlay();
            }
        });

        updateMedia();

        return V;
    }

    public void updateMedia() {

        if (FullscreenActivity.mediaStore.equals("ext")) {
            sourceUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
        } else {
            sourceUri = MediaStore.Audio.Media.INTERNAL_CONTENT_URI;
        }

        CursorLoader cursorLoader = new CursorLoader(
                getActivity(),
                sourceUri,
                null,
                null,
                null,
                MediaStore.Audio.Media.TITLE);

        Cursor cursor = cursorLoader.loadInBackground();

        ListAdapter adapter = new SimpleCursorAdapter(
                getActivity(),
                android.R.layout.simple_list_item_1,
                cursor,
                from,
                to,
                CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);

        mediaStore_ListView.setAdapter(adapter);

        mediaStore_ListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Cursor cursor = ((SimpleCursorAdapter) mediaStore_ListView.getAdapter()).getCursor();
                cursor.moveToPosition(position);
                String fullname = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.TITLE));
                String data = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.DATA));
                mediaSelected.setText(fullname);
                startPlay.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_play));
                PresenterMode.mpTitle = fullname;
                if (PresenterMode.mp.isPlaying()) {
                    PresenterMode.mp.stop();
                }
                PresenterMode.mp.reset();
                try {
                    PresenterMode.mp.setDataSource(data);
                    PresenterMode.mp.prepare();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }

    public void startPlay() {
        if (PresenterMode.mp.isPlaying()) {
            // Stop the media player
            PresenterMode.mp.pause();
            PresenterMode.mp.seekTo(0);
            startPlay.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_play));
        } else {
            if (!mediaSelected.getText().toString().equals("")) {
                PresenterMode.mp.start();
                startPlay.setImageDrawable(getResources().getDrawable(R.drawable.ic_action_stop));
            }
        }
    }
}